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Planted LEDs, high-actinic coral LEDs
Heaters, chillers, electronic controllers
Return pumps, wavemakers, gyres
Aquasoils, sands, dry reef rock, driftwood
Conditioners, RODI systems, marine salt mixes
Plant fertilizers, liquid CO₂, reef dosing pumps, calcium & alkalinity
Tools, food, testing, and the finishing touches
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5,380 matching items · Most used first
OtherFocustronic
The Focustronic Mastertronic is a standalone automated water tester that accurately measures nitrates, phosphates, magnesium, calcium, alkalinity, and organic matter in aquariums. It uses high-precision stepper and DC pumps with a colorimetric photosensor, connects via WiFi to iOS and Android apps, and can wirelessly communicate with Alkatronic, Dosetronic, and other Focustronic devices; test kit reagents sold separately.
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OtherFocustronic
The Focustronic Mastertronic Essential is a fully automated water testing device that measures the five most critical reef parameters: alkalinity, calcium, magnesium, nitrate, and phosphate, plus OLI (Organic Level Index), which tracks water yellowness as an indicator of organic load. Using high-precision stepper and DC pumps with a colorimetric photosensor, it runs each parameter on its own schedule and is controlled wirelessly via the Focustronic AIO app with trend tracking. It works with third-party test reagents, needs no central controller, and can trigger automated dosing when paired with compatible Focustronic devices. Test reagents sold separately.
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OtherFocustronic
The Focustronic Mastertronic Leak Detector Assembly is a replacement leak detector sensor with attached cable for the Mastertronic automated water tester. It alerts the unit to water leaks or spills, protecting the testing equipment and surrounding area from water damage.
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OtherFocustronic
A genuine Focustronic replacement sensor circuit board (12P) for the Mastertronic automated water tester; it is the essential sensor PCB component that enables the unit's automated measurements.
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OtherFocustronic
The Focustronic PCB X HO Sensor is a replacement optical level sensor for the Mastertronic automated water tester. It restores accurate fluid level detection when the original sensor is damaged or fails.
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OtherFocustronic
The Focustronic Mastertronic PCB Y HO Sensor is a replacement sensor PCB for the Mastertronic automated water tester in the Y HO configuration. It keeps the automated testing unit functioning accurately.
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OtherFocustronic
The Focustronic Mastertronic Syringe + Needle Bundle contains 4 syringes and 6 needles used in the Mastertronic automated water tester. These are replacement consumables for regular maintenance, as needles should be changed about every four weeks to ensure testing accuracy.
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LightsGiesemann
The Giesemann Matrixx 4 Lamp Hanging Suspension Kit suspends Matrixx II 4-lamp lighting fixtures via 58-inch vertical wires with wire grip locks for easy height adjustment.
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OtherBulk Reef Supply
Matthew’s Fish Food Bundle is a hand-picked mix of high-quality prepared foods for a rich, varied diet that supports healthy, colorful fish. It includes Reef Nutrition TDO Chroma Boost C2 pellets (3 oz, with astaxanthin for vibrant colors), Piscine Energetics 1mm mysis pellets (2 oz), BRS Reef Chili coral food (.65 oz) for corals and small fish, and Two Little Fishies Green Seaweed sheets (30 g) for herbivores like tangs and angelfish.
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OtherFlipper
The floating Flipper MAX is a 2-in-1 magnetic algae cleaner for large tanks with glass or acrylic up to 1 inch thick. Its patented design flips from scrubber to scraper simply by rotating the handle; made with strong rare-earth magnets, it cleans even stubborn coralline algae without ever sticking hands in the water, and includes two replaceable blades (stainless steel for glass tanks, ABS plastic for acrylic).
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OtherFlipper
Flipper MAX Float 2-in-1 magnetic algae cleaner for large tanks with glass or acrylic up to 1 inch thick; flips from scrubber to scraper and the wet side floats if detached. Includes stainless steel and ABS plastic replaceable blades; strong rare-earth magnets handle coralline algae.
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SupplementationISTA
The ISTA Max Mix CO2 Reactor is a high-efficiency reactor for planted aquariums that dissolves CO2 gas into the water for steady, even distribution, promoting healthier, faster plant growth while making efficient use of your CO2 supply. It can be installed internally or externally and comes with 3 suction cup mounts and 2 elbow fittings.
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OtherRed Sea
The Red Sea MAX NANO is a 20-gallon all-in-one plug-and-play reef system with ultra-clear rimless glass, built-in rear sump filtration, a ReefLED 50 light, and a marine-spec cabinet.
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Tank & FurnitureRed Sea
Complete 20-gallon plug-and-play reef aquarium system in a rimless ultra-clear glass cube. Includes ReefLED G2 60 lighting, a rear sump with Nano XL protein skimmer and 250 GPH return pump, plus a one-plug control panel for easy maintenance.
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Tank & FurnitureRed Sea
The Red Sea MAX NANO G2 Peninsula is a 26.4-gallon rimless all-in-one peninsula aquarium (17.7"L x 23"W x 17.7"H, 8mm ultra-clear glass) that comes plug-and-play with a Wi-Fi ReefLED G2 60 light, 250 GPH Sicce return pump, Nano XL protein skimmer, 225-micron filter sock, foam bubble trap, 100g Reef-Spec carbon, and a gravity-fed ATO. It has a one-plug control panel and a NanoMat-ready rear sump with ReefATO+ readiness, all managed via the ReefBeat app.
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Tank & FurnitureRed Sea
The Red Sea MAX NANO G2 Pro Kit is an upgrade bundle for Red Sea MAX NANO aquariums containing a NanoMat automatic roller filter (drop-in replacement for the filter sock), the ReefATO+ auto top off system with temperature monitoring and leak detection, and a ReefCan 18 top-off reservoir with embedded water scale. Designed for saltwater nano systems, it automates mechanical filtration and evaporation top-off to reduce maintenance.
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Tank & FurnitureRed Sea
The Red Sea MAX NANO G2 XL is a 33-gallon plug-and-play rimless all-in-one aquarium (20 x 24 x 20 inches, 8mm ultra-clear glass) that comes fully equipped with a Wi-Fi-connected ReefLED G2 60 light and mounting arm, a 409 GPH Sicce return pump, a Nano XL protein skimmer, removable surface skimmer, 225-micron filter sock, foam bubble trap, and gravity-fed ATO system — all controlled via a one-plug control panel and ReefBeat app. The rear sump is ReefATO+ and NanoMat ready (both sold separately); optional black or white cabinet.
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Tank & FurnitureRed Sea
The Red Sea MAX NANO G2 XXL is a plug-and-play all-in-one reef aquarium with a 53-gallon system volume and a 35.4"L x 21.7"W x 19.7"H rimless 12mm ultra-clear glass tank. It includes 2x ReefLED G2 60 LED lights with ReefBeat app control, a rear-sump filtration compartment with protein skimmer, 2x 410 GPH return pumps, filter sock, media rack, and a front control panel for pump operation; it is ReefATO+ and NanoMat ready (sold separately) and an optional cabinet is available, backed by a 5-year warranty.
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FilterBulk Reef Supply
The BRS Max Silica Removal Filter Kit for MaxCap Systems is a replacement filter kit for RO/DI systems designed to remove silica. It refreshes MaxCap system stages to maintain maximum filtration performance.
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OtherBulk Reef Supply
An adhesive for aquarium construction or attaching aquascape materials. Brand: Bulk Reef Supply.
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Wave GenerationMarineland
The Marineland Maxi-Jet 1200 is a submersible powerhead with 295 GPH powerhead and 1,300 GPH circulation modes, a venturi aeration device, and 20W power, for fresh or saltwater aquariums.
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Wave GenerationMarineland
The Marineland Maxi-Jet 400 is an 8-watt aquarium powerhead pump delivering up to 110 GPH (500 GPH in circulation mode). Its fully rotational output creates internal water movement, and a venturi aeration device with silencer aids gas exchange.
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Wave GenerationMarineland
The Marineland Maxi-Jet 600 is a versatile submersible powerhead that works as both a powerhead (160 GPH) and a circulation pump (750 GPH). Its fully rotational output, venturi aeration, and included impeller options let you direct water movement and aeration where needed in the aquarium.
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Wave GenerationMarineland
The Marineland Maxi-Jet 900 pump offers two modes: powerhead (230 GPH) and circulation (1000 GPH); this 10-watt submersible pump has a fully rotational output, venturi aeration, and a 4-foot max head pressure.
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OtherMaxspect
Maxspect Coral Tweezers are 14-inch carbon fiber aquarium tweezers with silicone-coated tips for safely handling delicate corals without damaging tissue. They are neutrally buoyant, so they hover in the water column if dropped, and are strong and lightweight enough to lift heavy objects in the aquarium.
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FilterMaxspect
Maxspect Nano-Tech Anaerobic-Block is a nano-ceramic porous block designed to stimulate growth of anaerobic bacteria that reduce nitrate to nitrogen gas through denitrification. Contains 2 blocks (each 3-3/4 x 3-3/4 x 1 in, 11,033 ft2 surface area); treats 1000 L / 264 gallons; lasts approximately 6 months; can be used directly in the sump; for freshwater and marine aquariums.
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LightsMaxspect
The Maxspect MJ-L230 Extension Cable is a 2-meter (approx. 6.5 ft) plug-and-play cable that extends the connection distance between a Maxspect Jump MJ-L230 light fixture and its controller.
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OtherJBJ
The JBJ Maxum Battery Backup Air Pump is a low-voltage AC/DC air pump with a built-in Li-Ion battery that provides up to 24 hours of high airflow during power outages. It features dual outputs for standard 3/16-inch airline tubing, continuous and interval modes, adjustable airflow with touch controls, and a quiet, water-resistant housing.
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Climate ControlMilwaukee Instruments
The Milwaukee MC125 pH/ORP Controller Combo monitors and controls pH (0-14, plus/minus 0.2) and ORP (plus/minus 1000 mV, plus/minus 5) with manual 2-point calibration, alarms, dosing contact for ozone, and included MA911B/2 electrode, backed by a 2-year warranty.
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Wave GenerationJebao
The Jebao MCP-180 Smart Cross Flow pump is a WiFi crossflow wavemaker for saltwater tanks with magnetic base. Controllable via the Jebao app over WiFi or manual LCD display controller; sine wave technology for ultra-quiet, stable performance; cross-wave double impeller structure with no dead ends; no exposed copper elements for marine and freshwater use; IC electronic detection with dry/locked-rotor protection and auto power-off on no water.
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